Jack stand



FIG. 1 is a perspective view of the jack stand showing my new design;

FIG. 2 is a front view of the jack stand of FIG. 1;

FIG. 3 is a left side view of the jack stand of FIG. 1;

FIG. 4 is a right side view of the jack stand of FIG. 1;

FIG. 5 is a rear view of the jack stand of FIG. 1;

FIG. 6 is a top view of the jack stand of FIG. 1; and,

FIG. 7 is a bottom view of the jack stand of FIG. 1.

The broken lines in the above-identified application are for illustrative purposes only and form no part of the claimed invention. 

The ornamental design for a jack stand, as shown and described. 